1 |
adx |
30 |
/* |
2 |
michael |
2810 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
3 |
adx |
30 |
* |
4 |
michael |
2818 |
* Copyright (c) 1997-2014 ircd-hybrid development team |
5 |
adx |
30 |
* |
6 |
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* This program is free software; you can redistribute it and/or modify |
7 |
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* it under the terms of the GNU General Public License as published by |
8 |
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* the Free Software Foundation; either version 2 of the License, or |
9 |
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* (at your option) any later version. |
10 |
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* |
11 |
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* This program is distributed in the hope that it will be useful, |
12 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
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* GNU General Public License for more details. |
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* |
16 |
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* You should have received a copy of the GNU General Public License |
17 |
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* along with this program; if not, write to the Free Software |
18 |
michael |
4564 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
19 |
adx |
30 |
* USA |
20 |
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*/ |
21 |
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|
22 |
michael |
2810 |
/*! \file m_kline.c |
23 |
michael |
3350 |
* \brief Includes required functions for processing the KLINE command. |
24 |
michael |
2810 |
* \version $Id$ |
25 |
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*/ |
26 |
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|
27 |
adx |
30 |
#include "stdinc.h" |
28 |
michael |
1011 |
#include "list.h" |
29 |
adx |
30 |
#include "client.h" |
30 |
|
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#include "irc_string.h" |
31 |
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#include "ircd.h" |
32 |
michael |
1632 |
#include "conf.h" |
33 |
adx |
30 |
#include "hostmask.h" |
34 |
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#include "numeric.h" |
35 |
michael |
1309 |
#include "log.h" |
36 |
michael |
3347 |
#include "misc.h" |
37 |
adx |
30 |
#include "send.h" |
38 |
|
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#include "hash.h" |
39 |
michael |
3347 |
#include "server.h" |
40 |
adx |
30 |
#include "parse.h" |
41 |
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#include "modules.h" |
42 |
michael |
1622 |
#include "conf_db.h" |
43 |
michael |
1666 |
#include "memory.h" |
44 |
adx |
30 |
|
45 |
michael |
1058 |
|
46 |
michael |
2811 |
static void |
47 |
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check_kline(struct AddressRec *arec) |
48 |
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{ |
49 |
michael |
4816 |
dlink_node *node = NULL, *node_next = NULL; |
50 |
michael |
2811 |
|
51 |
michael |
4816 |
DLINK_FOREACH_SAFE(node, node_next, local_client_list.head) |
52 |
michael |
2811 |
{ |
53 |
michael |
4816 |
struct Client *client_p = node->data; |
54 |
michael |
2811 |
|
55 |
michael |
2812 |
if (IsDead(client_p)) |
56 |
michael |
2811 |
continue; |
57 |
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|
58 |
|
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if (match(arec->username, client_p->username)) |
59 |
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continue; |
60 |
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|
61 |
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switch (arec->masktype) |
62 |
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{ |
63 |
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case HM_IPV4: |
64 |
michael |
4589 |
if (client_p->connection->aftype == AF_INET) |
65 |
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if (match_ipv4(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits)) |
66 |
michael |
2813 |
conf_try_ban(client_p, arec->conf); |
67 |
michael |
2811 |
break; |
68 |
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case HM_IPV6: |
69 |
michael |
4589 |
if (client_p->connection->aftype == AF_INET6) |
70 |
|
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if (match_ipv6(&client_p->connection->ip, &arec->Mask.ipa.addr, arec->Mask.ipa.bits)) |
71 |
michael |
2813 |
conf_try_ban(client_p, arec->conf); |
72 |
michael |
2811 |
break; |
73 |
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default: /* HM_HOST */ |
74 |
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if (!match(arec->Mask.hostname, client_p->host)) |
75 |
michael |
2813 |
conf_try_ban(client_p, arec->conf); |
76 |
michael |
2811 |
break; |
77 |
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} |
78 |
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} |
79 |
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} |
80 |
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|
81 |
michael |
2810 |
/* apply_tkline() |
82 |
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* |
83 |
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* inputs - |
84 |
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* output - NONE |
85 |
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* side effects - tkline as given is placed |
86 |
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*/ |
87 |
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static void |
88 |
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m_kline_add_kline(struct Client *source_p, struct MaskItem *conf, |
89 |
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time_t tkline_time) |
90 |
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{ |
91 |
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if (tkline_time) |
92 |
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{ |
93 |
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conf->until = CurrentTime + tkline_time; |
94 |
michael |
4636 |
|
95 |
|
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if (IsClient(source_p)) |
96 |
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sendto_one_notice(source_p, &me, ":Added temporary %d min. K-Line [%s@%s]", |
97 |
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tkline_time/60, conf->user, conf->host); |
98 |
michael |
4889 |
|
99 |
michael |
2810 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
100 |
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"%s added temporary %d min. K-Line for [%s@%s] [%s]", |
101 |
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get_oper_name(source_p), tkline_time/60, |
102 |
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conf->user, conf->host, |
103 |
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conf->reason); |
104 |
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ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]", |
105 |
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get_oper_name(source_p), tkline_time/60, |
106 |
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conf->user, conf->host, conf->reason); |
107 |
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} |
108 |
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else |
109 |
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{ |
110 |
michael |
4636 |
if (IsClient(source_p)) |
111 |
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sendto_one_notice(source_p, &me, ":Added K-Line [%s@%s]", |
112 |
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conf->user, conf->host); |
113 |
michael |
4889 |
|
114 |
michael |
2810 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
115 |
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"%s added K-Line for [%s@%s] [%s]", |
116 |
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get_oper_name(source_p), |
117 |
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conf->user, conf->host, conf->reason); |
118 |
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ilog(LOG_TYPE_KLINE, "%s added K-Line for [%s@%s] [%s]", |
119 |
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get_oper_name(source_p), conf->user, conf->host, conf->reason); |
120 |
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} |
121 |
adx |
30 |
|
122 |
michael |
2810 |
conf->setat = CurrentTime; |
123 |
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SetConfDatabase(conf); |
124 |
adx |
30 |
|
125 |
michael |
2811 |
check_kline(add_conf_by_address(CONF_KLINE, conf)); |
126 |
michael |
2810 |
} |
127 |
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128 |
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/* already_placed_kline() |
129 |
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* inputs - user to complain to, username & host to check for |
130 |
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* outputs - returns 1 on existing K-line, 0 if doesn't exist |
131 |
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* side effects - notifies source_p if the K-line already exists |
132 |
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*/ |
133 |
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/* |
134 |
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* Note: This currently works if the new K-line is a special case of an |
135 |
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* existing K-line, but not the other way round. To do that we would |
136 |
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* have to walk the hash and check every existing K-line. -A1kmm. |
137 |
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*/ |
138 |
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static int |
139 |
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already_placed_kline(struct Client *source_p, const char *luser, const char *lhost, int warn) |
140 |
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{ |
141 |
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struct irc_ssaddr iphost, *piphost; |
142 |
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struct MaskItem *conf = NULL; |
143 |
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int t = 0; |
144 |
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int aftype = 0; |
145 |
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|
146 |
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if ((t = parse_netmask(lhost, &iphost, NULL)) != HM_HOST) |
147 |
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{ |
148 |
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if (t == HM_IPV6) |
149 |
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aftype = AF_INET6; |
150 |
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else |
151 |
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aftype = AF_INET; |
152 |
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piphost = &iphost; |
153 |
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} |
154 |
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else |
155 |
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piphost = NULL; |
156 |
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157 |
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if ((conf = find_conf_by_address(lhost, piphost, CONF_KLINE, aftype, luser, NULL, 0))) |
158 |
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{ |
159 |
michael |
4636 |
if (IsClient(source_p) && warn) |
160 |
michael |
3110 |
sendto_one_notice(source_p, &me, ":[%s@%s] already K-Lined by [%s@%s] - %s", |
161 |
michael |
4664 |
luser, lhost, conf->user, conf->host, conf->reason); |
162 |
michael |
2810 |
return 1; |
163 |
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} |
164 |
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165 |
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return 0; |
166 |
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} |
167 |
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168 |
adx |
30 |
/* mo_kline() |
169 |
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* |
170 |
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* inputs - pointer to server |
171 |
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* - pointer to client |
172 |
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* - parameter count |
173 |
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* - parameter list |
174 |
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* output - |
175 |
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* side effects - k line is added |
176 |
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*/ |
177 |
michael |
2820 |
static int |
178 |
michael |
3156 |
mo_kline(struct Client *source_p, int parc, char *parv[]) |
179 |
adx |
30 |
{ |
180 |
michael |
2810 |
char buffer[IRCD_BUFSIZE]; |
181 |
adx |
30 |
char *reason = NULL; |
182 |
|
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char *user = NULL; |
183 |
|
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char *host = NULL; |
184 |
|
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char *target_server = NULL; |
185 |
michael |
1632 |
struct MaskItem *conf; |
186 |
adx |
30 |
time_t tkline_time = 0; |
187 |
|
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|
188 |
michael |
4018 |
if (!HasOFlag(source_p, OPER_FLAG_KLINE)) |
189 |
adx |
30 |
{ |
190 |
michael |
3109 |
sendto_one_numeric(source_p, &me, ERR_NOPRIVS, "kline"); |
191 |
michael |
2820 |
return 0; |
192 |
adx |
30 |
} |
193 |
|
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|
194 |
michael |
2810 |
if (parse_aline("KLINE", source_p, parc, parv, AWILD, &user, &host, |
195 |
|
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&tkline_time, &target_server, &reason) < 0) |
196 |
michael |
2820 |
return 0; |
197 |
adx |
30 |
|
198 |
michael |
3368 |
if (target_server) |
199 |
adx |
30 |
{ |
200 |
michael |
2804 |
sendto_match_servs(source_p, target_server, CAP_KLN, "KLINE %s %lu %s %s :%s", |
201 |
|
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target_server, (unsigned long)tkline_time, |
202 |
|
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user, host, reason); |
203 |
adx |
30 |
|
204 |
|
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/* Allow ON to apply local kline as well if it matches */ |
205 |
michael |
1652 |
if (match(target_server, me.name)) |
206 |
michael |
2820 |
return 0; |
207 |
adx |
30 |
} |
208 |
|
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else |
209 |
|
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cluster_a_line(source_p, "KLINE", CAP_KLN, SHARED_KLINE, |
210 |
michael |
1058 |
"%d %s %s :%s", tkline_time, user, host, reason); |
211 |
adx |
30 |
|
212 |
michael |
1243 |
if (already_placed_kline(source_p, user, host, 1)) |
213 |
michael |
2820 |
return 0; |
214 |
adx |
30 |
|
215 |
michael |
1632 |
conf = conf_make(CONF_KLINE); |
216 |
michael |
1646 |
conf->host = xstrdup(host); |
217 |
|
|
conf->user = xstrdup(user); |
218 |
adx |
30 |
|
219 |
michael |
3368 |
if (tkline_time) |
220 |
michael |
4672 |
snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %.*s (%s)", |
221 |
michael |
4889 |
(int)(tkline_time/60), REASONLEN, reason, smalldate(0)); |
222 |
adx |
30 |
else |
223 |
michael |
4889 |
snprintf(buffer, sizeof(buffer), "%.*s (%s)", REASONLEN, reason, smalldate(0)); |
224 |
adx |
30 |
|
225 |
michael |
1646 |
conf->reason = xstrdup(buffer); |
226 |
michael |
1632 |
m_kline_add_kline(source_p, conf, tkline_time); |
227 |
michael |
2820 |
return 0; |
228 |
adx |
30 |
} |
229 |
|
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|
230 |
|
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/* me_kline - handle remote kline. no propagation */ |
231 |
michael |
2820 |
static int |
232 |
michael |
3156 |
me_kline(struct Client *source_p, int parc, char *parv[]) |
233 |
adx |
30 |
{ |
234 |
michael |
2810 |
char buffer[IRCD_BUFSIZE]; |
235 |
michael |
1632 |
struct MaskItem *conf = NULL; |
236 |
michael |
3927 |
time_t tkline_time = 0; |
237 |
michael |
1622 |
char *kuser, *khost, *kreason; |
238 |
adx |
30 |
|
239 |
michael |
352 |
if (parc != 6 || EmptyString(parv[5])) |
240 |
michael |
2820 |
return 0; |
241 |
adx |
30 |
|
242 |
michael |
1652 |
if (match(parv[1], me.name)) |
243 |
michael |
2820 |
return 0; |
244 |
adx |
30 |
|
245 |
|
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tkline_time = valid_tkline(parv[2], TK_SECONDS); |
246 |
|
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kuser = parv[3]; |
247 |
|
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khost = parv[4]; |
248 |
|
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kreason = parv[5]; |
249 |
|
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|
250 |
michael |
2810 |
if (HasFlag(source_p, FLAGS_SERVICE) || |
251 |
|
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find_matching_name_conf(CONF_ULINE, source_p->servptr->name, |
252 |
adx |
30 |
source_p->username, source_p->host, |
253 |
|
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SHARED_KLINE)) |
254 |
|
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{ |
255 |
michael |
4636 |
if (already_placed_kline(source_p, kuser, khost, 1)) |
256 |
michael |
2820 |
return 0; |
257 |
adx |
30 |
|
258 |
michael |
1632 |
conf = conf_make(CONF_KLINE); |
259 |
michael |
1646 |
conf->host = xstrdup(khost); |
260 |
|
|
conf->user = xstrdup(kuser); |
261 |
adx |
30 |
|
262 |
michael |
3368 |
if (tkline_time) |
263 |
michael |
4672 |
snprintf(buffer, sizeof(buffer), "Temporary K-line %u min. - %.*s (%s)", |
264 |
michael |
4889 |
(unsigned int)(tkline_time/60), REASONLEN, kreason, smalldate(0)); |
265 |
adx |
30 |
else |
266 |
michael |
4889 |
snprintf(buffer, sizeof(buffer), "%.*s (%s)", REASONLEN, kreason, smalldate(0)); |
267 |
adx |
30 |
|
268 |
michael |
1646 |
conf->reason = xstrdup(buffer); |
269 |
michael |
1632 |
m_kline_add_kline(source_p, conf, tkline_time); |
270 |
adx |
30 |
} |
271 |
michael |
2820 |
|
272 |
|
|
return 0; |
273 |
adx |
30 |
} |
274 |
|
|
|
275 |
michael |
2820 |
static int |
276 |
michael |
3156 |
ms_kline(struct Client *source_p, int parc, char *parv[]) |
277 |
adx |
30 |
{ |
278 |
michael |
352 |
if (parc != 6 || EmptyString(parv[5])) |
279 |
michael |
2820 |
return 0; |
280 |
adx |
30 |
|
281 |
|
|
/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */ |
282 |
michael |
4633 |
/* command target_server tkline_time user host reason */ |
283 |
michael |
2820 |
sendto_match_servs(source_p, parv[1], CAP_KLN, "KLINE %s %s %s %s :%s", |
284 |
adx |
30 |
parv[1], parv[2], parv[3], parv[4], parv[5]); |
285 |
|
|
|
286 |
michael |
3156 |
return me_kline(source_p, parc, parv); |
287 |
adx |
30 |
} |
288 |
|
|
|
289 |
michael |
2810 |
static struct Message kline_msgtab = |
290 |
adx |
30 |
{ |
291 |
michael |
4546 |
"KLINE", NULL, 0, 0, 2, MAXPARA, MFLG_SLOW, 0, |
292 |
michael |
2810 |
{ m_unregistered, m_not_oper, ms_kline, me_kline, mo_kline, m_ignore } |
293 |
michael |
1230 |
}; |
294 |
|
|
|
295 |
|
|
static void |
296 |
|
|
module_init(void) |
297 |
|
|
{ |
298 |
|
|
mod_add_cmd(&kline_msgtab); |
299 |
|
|
add_capability("KLN", CAP_KLN, 1); |
300 |
|
|
} |
301 |
|
|
|
302 |
|
|
static void |
303 |
|
|
module_exit(void) |
304 |
|
|
{ |
305 |
|
|
mod_del_cmd(&kline_msgtab); |
306 |
|
|
delete_capability("KLN"); |
307 |
|
|
} |
308 |
|
|
|
309 |
michael |
2810 |
struct module module_entry = |
310 |
|
|
{ |
311 |
michael |
1230 |
.node = { NULL, NULL, NULL }, |
312 |
|
|
.name = NULL, |
313 |
|
|
.version = "$Revision$", |
314 |
|
|
.handle = NULL, |
315 |
|
|
.modinit = module_init, |
316 |
|
|
.modexit = module_exit, |
317 |
|
|
.flags = 0 |
318 |
|
|
}; |